26. Barack Obama has taken personal blame ________ the security failures which led ________ the attempt to blow up a plane on Christmas Day.
I don’t think she is a nice woman; I am _____ her empty talk.
Many people stood near the bus stop, nervously waiting ______.
They climbed to the top of the tower, _____ they could see _____ was happening in the distance.
_____ in the mountains for a week, the two students were finally saved by the local police.
---Sorry, I made a mistake again. ---_____. Practice more and you’ll succeed.